US Bridges

CR 13 over Moccasin Branch

Good

St. Johns County, Florida · 0.05 MI North of CR 13A · Structure no. 784081

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
4 main spans
Daily traffic
1,900
2024 count
Owner
County
County Highway Agency

About this bridge

CR 13 over Moccasin Branch is a concrete culvert carrying CR 13 over Moccasin Branch in St. Johns County, Florida. It was built in 2020, so it is 5 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,900 vehicles a day, roughly 3% of them trucks, projected to reach 3,297 by 2046. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 13
CrossesMoccasin Branch
Location0.05 MI North of CR 13A
RouteCounty Highway 13
StateFlorida
Coordinates29.77833, -81.48717
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating51.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2024)
Projected traffic3,297 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 13 over Moccasin Branch built?

It was built in 2020, making it 5 years old in 2025.

What condition is CR 13 over Moccasin Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does CR 13 over Moccasin Branch carry?

About 1,900 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is CR 13 over Moccasin Branch?

The structure is 29 ft (8.7 m) long with a longest span of 6 ft (1.8 m).

Who owns CR 13 over Moccasin Branch?

It is owned by the County Highway Agency.